You have to plan your entire game day around Twilight Imperium and I’m not going to pretend otherwise, this is a game that eats eight hours and asks for a second day to finish if your table’s slow. I’ve played it maybe a dozen times since a friend first roped me in and I still block out a full Saturday whenever it comes up, coffee in the morning, something with more calories than a sandwich for lunch, because you will not want to stop mid-game to cook.
What surprised me the first time, and still gets me now, is how little of it is actually war. The combat’s there and it matters, but most of a winning strategy is euro-style engine building and politics, trade deals, the agenda phase votes that can quietly reroute the whole table’s plans, backstabbing someone who thought you were allies three turns ago. Calling it a war game undersells it. It’s closer to a civilization game that occasionally lets you shoot someone.
Fourth edition trimmed the fat from third noticeably, faster turns, more interaction earlier instead of everyone quietly building in a corner for two hours before contact. My one real complaint, and I’ve heard the same from other regulars, is the victory conditions can go anticlimactic, you spend seven hours building toward a lead and then the game just sort of ends on point math rather than a decisive final clash. Doesn’t ruin the day. Just means the ending rarely matches the size of everything before it.
Table footprint alone rules this out for most weeknights, you need real estate, real time, and players who won’t check out mentally around hour five. Get all three and there’s nothing else like it on my shelf.